libcore.io.StructFlock Maven / Gradle / Ivy
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package libcore.io;
/**
* Information returned/taken by fcntl(2) F_GETFL and F_SETFL. Corresponds to C's
* {@code struct flock} from
* <fcntl.h>
*/
public final class StructFlock {
/** The operation type, one of F_RDLCK, F_WRLCK, or F_UNLCK. */
public short l_type;
/** How to interpret l_start, one of SEEK_CUR, SEEK_END, SEEK_SET. */
public short l_whence;
/** Start offset. */
public long l_start; /*off_t*/
/** Byte count to operate on. */
public long l_len; /*off_t*/
/** Process blocking our lock (filled in by F_GETLK, otherwise unused). */
public int l_pid; /*pid_t*/
}